LCD display can read measurement data more clearly.Made of fine quality 20 gauge steel, has a long service life.High accuracy, foldable and flexible, easy to operate and store.Use two light sensors to automatically recognize the shadow of objects passing through a certain range, then calculates and displays its passing its length.Specification:Main color: blue.Screen type: LCD displayBattery: 1 * 9V battery (not included)Range: 30fps to 7000fpsBase size: 368 * 102mm / 14.5 * 4.0inTotal height: 450mm / 17.7inItem weight: 1300g / 2.9lbPackage size: 250 * 120 * 80mm / 9.8 * 4.7 * 3.1inPacking: 1 * AnemometerPlease understand that due to differences in lighting or computer monitors, I cannot guarantee that the photos and actual colors are 100% the same.Due to different measurement methods, there may be a deviation of 1-2cm.Wide range of application: suitable for measurement during outdoor activities.